/// <summary>
/// find room for a building
/// </summary>
/// <param name="build">the building the rooms are in</param>
/// <returns>linked list of rooms in a building</returns>
public LinkedList getRoomList(Building build)
{
LinkedList list = new LinkedList();
Node roomNode = roomList.head;
while (roomNode != null)
{
Room tempRoom = (Room)roomNode.data;
if (tempRoom.buildingId == build.ID)
{
list.addAtTail(tempRoom);
}
}
return list;
}
/// <summary>
/// Load the LinkedList of Room for a Building
/// </summary>
/// <param name="building">The Building the Rooms are in</param>
/// <returns>Linked List of rooms</returns>
public LinkedList loadRoomList(Building building)
{
LinkedList roomList = new LinkedList();
Room tempRoom;
string sqlStatment = "SELECT * FROM Room WHERE BuildingID LIKE " + building.getID();
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempRoom = new Room();
tempRoom.setID(reader["ID"].ToString());
tempRoom.setRoomNumber(reader["Number"].ToString());
tempRoom.setCapacity(Convert.ToInt32(reader["Capacity"]));
tempRoom.setRoomType(reader["RoomType"].ToString());
tempRoom.setSlotsOff(reader["SlotsOff"].ToString());
roomList.addAtTail(tempRoom);
}
}
CloseConnection();
}
catch
{
// MessageBox.Show("Failed to get data from source");
}
return roomList;
}
/// <summary>
/// Loads a LinkedList of Module from a Course
/// </summary>
/// <param name="course">The Course the Modules are in</param>
/// <returns>A LinkedList of Modules</returns>
public LinkedList LoadModuleList(Course course)
{
LinkedList moduleList = new LinkedList();
Module tempModule;
string sqlStatment = "SELECT * FROM Course WHERE CourseCode LIKE "+ course.getCourseCode();
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempModule = new Module();
tempModule.setId(reader["ID"].ToString());
tempModule.setName(reader["Module_Name"].ToString());
tempModule.setPractical(Convert.ToBoolean(reader["Pratcial"]));
tempModule.setHoursPerWeek(Convert.ToInt32(reader["HoursPerWeek"]));
tempModule.setRoomtype(reader["RoomType"].ToString());
tempModule.setMaxConsecHours(Convert.ToInt32(reader["MaxConsecHours"]));
tempModule.setDoubleSlots(Convert.ToBoolean(reader["DoubleSlots"]));
moduleList.addAtTail(tempModule);
}
}
CloseConnection();
}
catch
{
}
return moduleList;
}
/// <summary>
/// Returns the Lectures that teach a Module
/// </summary>
/// <param name="module">The Module that the Lecturers teach</param>
/// <returns>LinkedList of lecturer</returns>
public LinkedList loadLectuerList(Module module)
{
LinkedList lectureList = new LinkedList();
Lecturer newLec;
string sqlStatment = "SELECT ID, Lec_Name, Initials, Email, MaxHours, MaxConsecHours, MinSlotsPerDays, SlotsOff, Deleted";
sqlStatment += "FROM Lecturer, Lecturer/Module WHERE Lecturer/Module.Module_ID LIKE " + module.getID();
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
newLec = new Lecturer();
newLec.setId(reader["ID"].ToString());
newLec.setName(reader["Lec_Name"].ToString());
newLec.setInitials(reader["Initials"].ToString());
newLec.setEmail(reader["Email"].ToString());
newLec.setMaxHours(Convert.ToInt32(reader["MaxHours"]));
newLec.setMaxConsecHours(Convert.ToInt32(reader["MaxConsecHours"]));
newLec.setMinSlotsPerDay(Convert.ToInt32(reader["MinSlotsPerDays"]));
newLec.setSlotsOff(reader["SlotsOff"].ToString());
lectureList.addAtTail(newLec);
}
}
CloseConnection();
}
catch
{
// MessageBox.Show("Failed to get data from source");
}
return lectureList;
}
/// <summary>
/// Returns a list of Departments
/// </summary>
/// <param name="institute">The Institute the Departments are in</param>
/// <returns>A LinkedList of Departments</returns>
public LinkedList loadDepartmentList(Institute institute)
{
LinkedList deptList = new LinkedList();
Department tempDept ;
string sqlStatment = "SELECT * FROM Department";
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempDept = new Department();
tempDept.setId(reader["ID"].ToString());
tempDept.setName(reader["Dept_Name"].ToString());
tempDept.setLecturerList(loadLectuerList(tempDept));
tempDept.setCourseList(loadCourseList(tempDept));
deptList.addAtTail("tempDept");
}
}
CloseConnection();
}
catch
{
}
return deptList;
}
/// <summary>
/// Load LinkedList of Course for a Department
/// </summary>
/// <param name="dept">The Department the Courses are in</param>
/// <returns>A LinkedList of Course</returns>
public LinkedList loadCourseList(Department dept)
{
LinkedList courses = new LinkedList();
Course tempCourse ;
string sqlStatment = "SELECT ID, Code, CourseName, NumOfStudents FROM Course WHERE DeptId Like " + dept.getID();
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempCourse = new Course();
tempCourse.setID(reader["ID"].ToString());
tempCourse.setCourseCode(reader["Code"].ToString());
tempCourse.setName(reader["CourseName"].ToString());
tempCourse.setNumOfStudents(Convert.ToInt32(reader["NumOfStudents"]));
tempCourse.setModuleList(LoadModuleList(tempCourse));
courses.addAtTail(tempCourse);
}
}
CloseConnection();
}
catch
{
// MessageBox.Show("Failed to get data from source");
}
return courses ;
}
/// <summary>
/// Returns a list of buildings
/// </summary>
/// <param name="institute">The Institute the Buildings are in</param>
/// <returns>A LinkedList of Buildings</returns>
public LinkedList loadBuildingList(Institute institute)
{
LinkedList buildingList = new LinkedList();
Building tempBuild;
string sqlStatment = "SELECT * FROM Building";
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempBuild = new Building();
tempBuild.setId(reader["ID"].ToString());
tempBuild.setName("Building_Name");
tempBuild.setRoomList(loadRoomList(tempBuild));
buildingList.addAtTail(tempBuild);
}
}
CloseConnection();
}
catch
{
}
return buildingList;
}
/// <summary>
/// load room list from the database
/// </summary>
private void loadRoomList()
{
LinkedList roomList = new LinkedList();
Room tempRoom;
string sqlStatment = "SELECT * FROM Room ";
try
{
OpenConection();
cmd = new OleDbCommand(sqlStatment, conn);
reader = cmd.ExecuteReader();
while (reader.Read())
{
if (reader["Deleted"].ToString().Equals("False"))
{
tempRoom = new Room(
reader["ID"].ToString(),
reader["Number"].ToString(),
Convert.ToInt32(reader["Capacity"]),
reader["RoomType"].ToString(),
reader["SlotsOff"].ToString(),
reader["BuildingID"].ToString());
roomList.addAtTail(tempRoom);
}
}
CloseConnection();
}
catch
{
// MessageBox.Show("Failed to get data from source");
}
}